Changes in version 0.99.10 + add `response` argument so that the server can only respond to one event from UI. Changes in version 0.99.9 + output can be floating along with mouse positions. Changes in version 0.99.8 + click and hover won't conflict with brush. Changes in version 0.99.7 + In the sub-heatmap, it allows to remove rows and columns from the four sides. Changes in version 0.99.0 + Submit to Bioconductor